KR850000927B1 - 취련가스에 의한 정련시의 슬로핑방지법 - Google Patents

취련가스에 의한 정련시의 슬로핑방지법 Download PDF

Info

Publication number
KR850000927B1
KR850000927B1 KR1019810000943A KR810000943A KR850000927B1 KR 850000927 B1 KR850000927 B1 KR 850000927B1 KR 1019810000943 A KR1019810000943 A KR 1019810000943A KR 810000943 A KR810000943 A KR 810000943A KR 850000927 B1 KR850000927 B1 KR 850000927B1
Authority
KR
South Korea
Prior art keywords
melt
refining
temperature
steel
aluminum
Prior art date
Application number
KR1019810000943A
Other languages
English (en)
Korean (ko)
Other versions
KR830005374A (ko
Inventor
폴 버리 롤랜드
킨레이 멜만 스듀어트
제임스 앤드레이니 로큰
Original Assignee
유니온 카바이드 코포레이션
에드워어드 지. 그리어
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22317095&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR850000927(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 유니온 카바이드 코포레이션, 에드워어드 지. 그리어 filed Critical 유니온 카바이드 코포레이션
Publication of KR830005374A publication Critical patent/KR830005374A/ko
Application granted granted Critical
Publication of KR850000927B1 publication Critical patent/KR850000927B1/ko

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising
    • C21C7/0685Decarburising of stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/06Deoxidising, e.g. killing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/068Decarburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture And Refinement Of Metals (AREA)
KR1019810000943A 1979-12-27 1981-03-21 취련가스에 의한 정련시의 슬로핑방지법 KR850000927B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/107,535 US4278464A (en) 1979-12-27 1979-12-27 Method for preventing slopping during subsurface pneumatic refining of steel
US107,535 1979-12-27

Publications (2)

Publication Number Publication Date
KR830005374A KR830005374A (ko) 1983-08-13
KR850000927B1 true KR850000927B1 (ko) 1985-06-28

Family

ID=22317095

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810000943A KR850000927B1 (ko) 1979-12-27 1981-03-21 취련가스에 의한 정련시의 슬로핑방지법

Country Status (15)

Country Link
US (1) US4278464A (de)
EP (1) EP0033780B2 (de)
JP (1) JPS6014812B2 (de)
KR (1) KR850000927B1 (de)
BR (1) BR8008338A (de)
CA (1) CA1157276A (de)
DE (1) DE3071177D1 (de)
DK (1) DK552980A (de)
ES (1) ES8202593A1 (de)
FI (1) FI67094C (de)
IN (1) IN155179B (de)
NO (1) NO153861C (de)
SU (1) SU1114343A3 (de)
YU (1) YU41453B (de)
ZA (1) ZA807929B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436553A (en) 1982-01-22 1984-03-13 Union Carbide Corporation Process to produce low hydrogen steel
US4451288A (en) * 1982-06-29 1984-05-29 Union Carbide Corporation Method for producing low hydrogen content in steels produced by subsurface pneumatic refining
US4477278A (en) * 1983-01-06 1984-10-16 Union Carbide Corporation Steelmaking process using calcium carbide as fuel
US4488903A (en) * 1984-03-14 1984-12-18 Union Carbide Corporation Rapid decarburization steelmaking process
US4551175A (en) * 1984-04-17 1985-11-05 Union Carbide Corporation Method for controlling slag chemistry in a refining vessel
US4761178A (en) * 1987-08-24 1988-08-02 Bethlehem Steel Corporation Process for heating molten steel contained in a ladle
IN172394B (de) * 1988-07-22 1993-07-17 Boest Alpine Stahl Donawitz Ge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107995A (en) * 1961-04-06 1963-10-22 Katakura Sampei Refining material for iron and steel and method of producing same
US3702243A (en) * 1969-04-15 1972-11-07 Nat Steel Corp Method of preparing deoxidized steel
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels
US4187102A (en) * 1978-08-24 1980-02-05 Union Carbide Corporation Method for controlling the temperature of the melt during pneumatic refining of steel
US4210442A (en) * 1979-02-07 1980-07-01 Union Carbide Corporation Argon in the basic oxygen process to control slopping

Also Published As

Publication number Publication date
NO153861C (no) 1986-06-04
FI67094B (fi) 1984-09-28
FI804007L (fi) 1981-06-28
DK552980A (da) 1981-06-28
SU1114343A3 (ru) 1984-09-15
ZA807929B (en) 1982-01-27
NO153861B (no) 1986-02-24
DE3071177D1 (en) 1985-11-14
JPS6014812B2 (ja) 1985-04-16
EP0033780B2 (de) 1990-11-28
US4278464A (en) 1981-07-14
BR8008338A (pt) 1981-07-07
EP0033780A1 (de) 1981-08-19
NO803907L (no) 1981-06-29
FI67094C (fi) 1985-01-10
EP0033780B1 (de) 1985-10-09
ES498039A0 (es) 1982-02-01
IN155179B (de) 1985-01-12
YU325480A (en) 1983-02-28
ES8202593A1 (es) 1982-02-01
KR830005374A (ko) 1983-08-13
JPS56127726A (en) 1981-10-06
YU41453B (en) 1987-06-30
CA1157276A (en) 1983-11-22

Similar Documents

Publication Publication Date Title
EP0017963B1 (de) Verfahren zum Herstellen von Stahl im Konverter
US4410360A (en) Process for producing high chromium steel
KR850000927B1 (ko) 취련가스에 의한 정련시의 슬로핑방지법
US3323907A (en) Production of chromium steels
EP0073274B1 (de) Verfahren zum Vorentsilizieren von Eisenschmelzen durch Einblasen von gasförmigen Sauerstoff
JPS58130216A (ja) 高合金鋼、ステンレス鋼の溶製法
NO153860B (no) Fremgangsmaate for regulering av temperaturen i en smelte ved pneumatisk raffinering av staal.
US4891064A (en) Method of melting cold material including iron
EP0099713B1 (de) Verfahren zum Schützen der Düsen beim Frischen von flüssigen Roheisen nach dem Durchblasverfahren
US4021233A (en) Metallurgical process
KR890003928B1 (ko) 칼슘카바이드를 연료로 사용하는 제강공정
JPH07316618A (ja) 溶融還元溶銑の予備精錬方法
JPH11131122A (ja) 高炉溶銑とフェロクロム合金を用いたステンレス粗溶鋼の脱炭精錬方法
EP0087328B1 (de) Verfahren zur Erzeugung von Stahl mit geringem Wasserstoffgehalt durch Argon-Sauerstoff-Entkohlung
US4066442A (en) Method of making chrome steel in an electric arc furnace
JPS6056051A (ja) 中・低炭素フエロマンガンの製造方法
EP0097971B1 (de) Verfahren zum Einstellen von niedrigen Wasserstoffgehalt bei nach dem Durchblasverfahren hergestellten Stählen
JPH093517A (ja) ステンレス鋼の吹酸脱炭精錬方法
JPH07216429A (ja) 脱炭滓を用いたステンレス粗溶鋼の製造方法
US2816018A (en) Process for the production of steel from high phosphorus pig iron
SU1092187A1 (ru) Способ обезуглероживани высокоуглеродистых феррохрома или ферромарганца
JPH0154409B2 (de)
JPH04214812A (ja) ステンレス鋼の溶製方法
JPH0633127A (ja) 含クロム溶鉄の脱炭方法
JPH0438812B2 (de)